IPhone :: Invalid Sim After Unlocking
Apr 19, 2012
I recently bought an iphone 4 from a friend which was locked to vodaphone. I have just had the phone unlocked by vodaphone but when i put in my t-mobile sim the phone says either "invaild sim" or "no service".
Info:iPhone 4, iOS 5.1
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Jun 8, 2010
This will show you just how far out of the "loop" I am but does T-Mobile have a microsim and if so or not, is it going to be possible to unlock the v4 to work with T-Mobile? Don't have ATT where I am. Still on 1st gen and T-Mobile.
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Aug 2, 2010
I have a 3GS that was activated on AT&T. I closed the account and moved overseas, and have been using it as an iPod Touch + camera for a month or two.Now I want to jailbreak and start using it as my phone here. I'm running Jailbreakme, but then can I do the unlocking without an AT&T SIM in there at all? I might have my old one floating around, but it's probably been deactivated, I'd imagine..
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Apr 9, 2012
I want to unlock my iPhone 4 AT&T
Info:
iPhone 4, iOS 5.0.1
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Apr 12, 2012
I have done some research and seen ATT now allows iphone's to be unlocked, that being said how is it done? I am wanting to leave ATT for their poor service, and go with a compnay that has no contracts. I am sick of the high bills when nothing has gone over, and paying 250.00 for 3 phones when I do not have bells and whistles!! Anybody willing to help?
Info:
iPhone 4S
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May 21, 2012
I just got my iPhone 4 a month or two ago as a present so my mom and sister set up my apple Id without me and I don't want that id because I can't get in it so I made another one but it's still using the Id my mom and sister made up!so how do I make it use the other Id?
Info:
iPhone 4, iOS 5.1
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Mar 6, 2010
There are just so many different scenerios and different options, and i'm somewhat novice, and i don't want to screw anything up, and to top it all off, i'm on a serious time crunch. so, down to business....i've got a 3g, with 3.1.2 and at&t 5.6 and modem firm is 05.11.07 it is jb.
Here is the problem: it's getting really pokey with all the stuff i have loaded on it, and i want to start from scratch. restore. but i'm scared to restore, because i don't want to upgrade to 3.1.3 because final outcome, i need to unlock as well.
What i want to do: restore to completely clean, then re-jailbreak, and unlock.
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Mar 18, 2012
I have an iPhone 16GB 3Gs that I bought off a USA-eBayer a while ago (though I live in the UK). I'm with Virgin Mobile that 'does not' support the iphone, though when I rung up before the purchase of the phone, the team said though they don't stricktly support the Apple device, but iPhones generally work on their network.
I bought in confidence and my iphone worked floorlessly for about 12 months on the iOS 4.1 system, becuase I didnt want the hastle of unlocking my phone back for the Virgin Mobile website each time I updated through iTunes, i didn't bother. Evenetually I updated to iOS 5.0 (off the internet rather than iTunes) and since then my phone has really struggled to keep a strong signal, or indeed WiFi connection. It can have full signal but then it says 'Searching...' for a couple of seconds then will find all the signal again. This as you can imagine gets pretty infuriating when its happening 4 times a minute, and only when I want to actually use the phone.
Also the phone likes to turn off at any point, even if it says it has about 70% battery and was on charge all night, then it demands to be on charge before it turns back on again, sometimes stating that it has the '70% charge' it told you before, or a dramatically reduced charge depending on its mood.If I wasn't worried about it getting locked to the original carrier, I'd just plug it up to my iTunes and update it, but as it stands, I cant do that!
Info:
iPhone 3GS, iOS 5.0.1, 16gb white
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Apr 1, 2012
A friend of mine has an older iPhone (I'm guessing it's an 'original' iPhone,running iOS 3.1.3, using his ex's PUK card, but I could be wrong about that).He's using his ex's card because he inadvertently locked his original card sometime ago and forgot his password. Is there a way he can get it unlocked, possibly using a 'generic' "universal" password so he doesn't have to use his ex's 3G card (supposedly, his old PUK was a 4G)? He's used quite a few of the attempts he has to unlock it so far and only has perhaps 2-3 more tries before the car locks permanently.
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Apr 19, 2012
I have an iPhone 4 and it was locked to O2. I recently contacted them to say I want it unlocked in order to use my Vodafone simcard and they simply sent me a text and I unlocked the phone through iTunes. I have now inserted my Vodafone microsim (brand new and working, it does on my other phones) and it says No Service no matter what I do!
Info:
iPhone 4, iOS 5.1
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May 7, 2012
I have an iphone that was purchased in Las Vegas. It is locked through telcel. Anyone ever heard of telcel unlocking an iphone? Is there a way I can buy a telcel carrier sim card and unlock it. What can i do to use this phone?
Info:
iPhone 4, Mexican carrier telcel
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Jun 3, 2012
i found an iphone and it is disabled for 22,185,994 minutes and i want to unlock it. how do i unlock the iphone?
Info:
iPhone 4
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Jun 13, 2012
how I can unlock iphone by imei?
Info:
iPhone 4S, iOS 5.1.1
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Jun 25, 2012
iphone4 freezes when unlocking, what should i do to fix?
Info:iPhone 4
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Mar 31, 2010
After a simple restore. my Original Fido phone will no longer accept it as a valid sim card.I restored twice, and came to no success. Again, this is the original phone, with the original sim card, which i might add, works on 2 other phones.
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May 6, 2012
i have just done the latest update to see if that would fix it but it hasn't.
Info:
iPhone 4S, iOS 5.1
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Jun 17, 2012
I have updated iphone from ios 4.3 to 5.0.1. After updating ios, the phone doesn't recognize sim and keep saying sim invalid. However there is no problem with sim and phone never been hacked (jailbroken).
Info:
iPhone 4, iOS 5.1.1
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Jun 19, 2012
I bought the new 4g iphone s. It says my SIM is invalid. I have set up my itunes account. How do I upgrade it so it will work, again?
Info:
iPhone 4S, iOS 5.0.1,
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Dec 6, 2014
After taking the iOS 8.1.1 update to my iPhone5 periodically displays an "invalid SIM" warning. Not very often, but enough that it is annoying. If I turn my phone off, then back on, my SIM card is good and the phone works fine.Â
After waiting on hold for 45 minutes the apple care representative gave me this list of things to try... If you see 'No SIM' alert on iPhone Learn what to do if you see an "Invalid SIM" or "No SIM Card installed" alert on your iPhone.In some situations, the status bar on your iPhone might display No SIM, even though your iPhone has a SIM card. You might see an alert saying "Invalid SIM" or "No SIM Card installed."If you see any of the above symptoms on your iPhone, follow these steps:Update your iPhone to the latest version of iOS.Turn airplane mode on and then off again.Restart your iPhone.Check for a carrier settings update. Go to Settings > General > About. Install any available update.Remove the SIM card and make sure that it's a valid SIM that your carrier provided.
Also make sure that it's not damaged, worn, or modified. Then reinsert it.A SIM tray that comes with one iPhone model won't necessarily work with a different iPhone model. When you insert the correct SIM tray, the SIM tray should be flush with the device.If you have another SIM card, insert it. You can use a SIM card from any phone with the same format as your iPhone SIM card. If your iPhone works with that SIM card, contact the carrier that issued your original SIM card.Restore the iPhone.If you still see the issue, contact Apple support. I have just gone threw the "Restore the iPhone" step. We shall see if it happens again... Stay tuned!
Info:
iPhone 5, iOS 8.1.1
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Mar 1, 2010
I recently came into the hands of a 16gb 3gs iphone with 3.1.3 and its locked to o2.Obviously it can not be jailbroken or Unlocked. so i thought so i popped into a local shop that claims it can unlock the iphone to various UK networks.the gentleman told me he can unlock the phone for £25!i thought great! and asked if it is a guarentee? he told me it was BUT apparently if you turn the iphone off, or it loses power for what ever reason then the Unlock will be reset and will no longer be open to all networks?
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Apr 22, 2012
I bought an 3g about 1 years ago from a friend in Malaysia. My friend bought it from the Maxis (carrier same like AT&T and Verizon). I knew that AT&T is now unlocking out of contract iPhone. What about mine?
Info:
Asking bout unlocking iPhone 3G
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Apr 23, 2012
There is no sound while locking and unlocking the phone and even no sound while playing you tube. (i use iPhone 4S).
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Apr 24, 2012
almost one year ago, i purchased a iphone through .the seller in ebay told that its of contract iphone . i send email to at&t and call to customer care . for e mail i did not replyed for call to at&t customer care they given a case no cm2012412/39235372 and told to wait to 20th of this month . i called on 20th of this month to at&t they told me that wait 1st maynow i would like to know my iphone is eligible for unlocking ???my seller in ebay told me that iphone is of contract if my iPhone is not ,reply me that regarding contractonly after ur reply i can sue my seller in ebay . if my iphone is in ur contract i can sue the seller of ebay for fraud but at&t is not replying to my mail what i do
<Edited by Host>
Info:
iPhone 4, iOS 5.0.1, now it is locked
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Apr 24, 2012
I've bought a second hand UK iPhone 4s locked to O2 and I'm heading back to the United States in the morning. I need to unlock it to use my American sim, and wondered if I use the apple auth unlock system whether it' matters where in the world you are.
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May 10, 2012
the sliding unlock isnt responding is it a new screen i need?
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May 22, 2012
i have recieved instructions from my provider to unlock my iphone4 but i need to back up my phone first,
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May 28, 2012
Just purchased an iPhone 4 and it is locked in portrait mode. The lock on the multitasking screen in NOT set and I have restarted it after closing out all apps.
Info:
iPhone 4, iOS 5.1.1
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Jun 25, 2012
My Cousin sent me an iphone 4s from england network 3 . now he said that he have requested to Unlock Iphone Through IMEI . The managment said ok we will unlock in 48 hours and we'ill send u a confirmtn msg but they didnt . then he called them again and they said we want 48 more hours and even after that no msg was sent to my cousin. i m living in oman(middle east) . now i want to know that the iphone will be unlocked when i will insert sim and do the activation step and then they will send that msg for what im waiting or i should wait for the msg then iphone will b unlocked ? ?
Info:
iPhone 4S, iOS 5.1.1
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Dec 9, 2014
how do i back up data without unlocking iphone 4s
Info:
iPhone 4S
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Jun 30, 2014
My father passed away a few months ago, and I am clearing his house etc..
I have his iphone 4s here but cannot reset it because I do not know his Apple ID.
Do I need to take to Apple store or is there a way around it?
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Dec 2, 2014
Iphone 5- IOS 7.0.3...Unlocked with AT&T but still unable to activate a new sim.
Info:
iPhone 5, iOS 7.0.6, lost all back up data
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